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�ble lever Blocks HsH-A sER1es 314 - a ToN,

HSH·A Series Double Lever Block is equipped with a transmission mechanism of two - step gears and with a spring cluth system.Its main principle of operation is described as follows.

• Use of Free Gearing System

HSH - A Sertes Double Lever Block is a kind of highly efficient and versatile hand operated hoisting appliance� which is cap· able of being Widely applied in shipbui­lding

f power plants. transport, construction ..

sites, mines, post and telecommunication for installing machines, lilting goods and dragging loads eel., It is particularly used in the narrow places, the open air and over­head places for pulling and stretching work at any angle.

OPERA+ION INSTlRIJG+IONS

1. Do not overload. 2. Do not motorize • Lever block is designed for hand operation only. 3. All moving parts should always be kepi well lubricated.Before opetating,see that the valious parts have no damage and Idle motion is in good condition. 4, Before liffing,inspect the hook to see whaather it is securely attached. Do not suspend a load at hook tip. Load main must not be twisted to ensure salty. 5. Stop operating lmmed1ately in case the lever handle force exceeds that of normal operation. Check as follows a. Wheather !here is anything entangled with the load. b. Wheather there is any trouble with the parts of block.

FEATURES

The main parts of HSH - A Double Series Lever Block are made of superior steel, which has the following character­istics in design and service:

1. Safe, reliable and durable in use. 2. Excellent performance and minimum

maintenance. 3. Small volume, light weight and

portable in size. 4. Light handpull and high efficiency. 5. Advanced structure and attractive

appearance.

1. After use,clean off the dirt on the block,and grease its parts. Keep it in a dry place. 2. Maintenance and inspection should be made by skilled hand. Never allow any layman to disassemble or assemble the block. 3. When assembling align the "O" marks of two gears (2) as shown on Fig.(2) and Fig.(3), 4. While (he lever handle (20) is pressing the friction plates (13) and the ratchet disk (33),the distance between the lever halldle (20) and the ends of hexagon slotted nut should be controlled wtthin 0.2mm - 0,5mm. 5. After cleaning and repalring,the lever block should be subjected to a no4oad test and a heavy load test per ANSI B30.21 specifications to ensure reliability and safety In use. The lever block cen be put into operation after it has been tested and found in good condition.

When hooking nothing,lhe selector lever (40) is set to the "C' (central) position.The spring sets the cluth disengaged, and allowing the load chain to be pulled easily and the lower hook to be adjusted at any desired position.

Details of Spare Parts tor HSH-A Series Double Lever Blocks

, Lifting Load Set the selector lever to "Up" position and

plates against parts to rotate in unison.Then drive the driving shaft (11),disk gear (2),pinion shaft (4),splined gear (3),load chain and the lever handle to lift the load smoothly. (See Flg.1 ).

1. 6. 11, Gear ci:1" Gukf� roller Orl'ling a;haft

7. 12.

Top hooli: hold arak:e' seat

3. a. 13.

Splln•d gear 'top i,in !='riatiott µlate .. 9 14.

Pioioo shaft Chain spro:Cik�t Female thread disk

5. 10. 15, Snap ting $id� plate A $rake oqve:r

16. H�ndl& -caslng

17.

Chang�o\"er Wheel

ta. Chang'�over pawl

19,

Sefoctot Lever pin

Freie Knob

21. 26. 31. 36. Sloe plalo s Chain ehd lfhk Pi;JWI spring Chin1g-CiVflr spring

22. 27. 32. 3!-Strtpper pin aouam hook blc:ok Pawl L�vt.r h.a rid!e

23, 26. n aa. Stripper Hob.k Rafohe1 disk Hattdl� r\tbb�r grlr,

24. 29. 34. 3�, Sti,1ybolt Chain pin Sta.ks spring Spring &eat

25. 30. 35. 40. LQad <;;h.ij,iO Ring Sprfllg Shatt Selector Lever

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